How to keep your local chiropractor off your back.

Friends and colleagues of Matt Isham, a dive instructor at Kauai's Blue Dolphin Dive Charters, are raising funds to help pay medical expenses after a training accident led to the amputation of the 25-year-old's left leg.

Co-founder and CEO of PADI dies at his home at the age of 74./

Prescription meds may save your health, but can they wreck your dive?

Do you have what it takes to be a technical diver? Are you a diver with the skills, the grit, and the mental focus to go to 200 feet (or beyond) and safely return? Find out this October at Tech Diver Boot Camp.

#9 Stare down a barracuda to see who blinks first.Jay Jeter of Austin, Texas/

#8 He quivers every time he hears the word "tank."

Plus: The straight scoop on energy drinks and the book no captain should be without.

Plus answers to your questions about heart conditions and ear pains. Other questions covered: Did Decompression Sickness Cause My Exhaustion? Can DCS Cause Strokes? Can a Person Recover from Paralysis Caused by DCS?